How to use C# call interface to log in and send short messages?

Private? Static electricity Read only? String? DefaultUserAgent？ =? “Mozilla/4.0？ (compatible; ? MSIE？ 6.0; ? Windows？ NT？ 5.2; ? SV 1； ? . Net? CLR？ 1. 1.4322; ? . Net? CLR？ 2.0.50727)";

///? & lt summary & gt?

///? Create HTTP requests in POST mode?

///? & lt/summary & gt； ?

///? & ltparam？ Name = "url"> URL requested.

///? & ltparam？ Name = "parameters"> Dictionary of parameter names and parameter values published with the request.

///? & ltparam？ Name = "timeout"> timeout requested.

///? & ltparam？ Name = "userAgent"> Client browser information requested; can be empty.

///? & ltparam？ Name = "requestEncoding"> the encoding used when sending HTTP requests.

///? & ltparam？ Name = "Cookies"> If authentication is not required, the cookie information sent by HTTP request can be empty.

///? & ltreturns & gt& lt/returns & gt； ?

Public? Static electricity String? PostHttpResponse (string? Website,? Dictionary & lt string,? String & gt? Parameters,

int？ Timeout)

{

attempt

{

What if? (string. IsNullOrEmpty(url))

{

Throw? New? ArgumentNullException(" URL ")；

}

HttpWebRequest？ Request? =? Network request. Create (URL)? As? HttpWebRequest

Request. Service point. expect 100 continue? =? Fake;

Request. ServicePoint.UseNagleAlgorithm？ =? Fake; ? //Do you use it? Nagel? Don't use it increase efficiency

//request. AllowWriteStreamBuffering？ =? Fake; ? //Is the data buffered? Fake? increase efficiency

Request. Method? =? "post";

Request. ContentType？ =? ”application/x-www-form-urlencoded”；

Request. UserAgent？ =? DefaultUserAgent

What if? (Timeout. Hash value)

{

Request. Timeout? =? Timeout. Value;

}

other

{

Request. Timeout? =? 20000;

}

Coding? requestEncoding？ =? Coding. get encoding(" UTF-8 ")；

//If POST data is needed?

What if? (! (parameters? ==? null？ ||? Parameters. Count? ==? 0))

{

StringBuilder？ Buffer? =? New? StringBuilder()；

int？ Me? =? 0;

foreach？ (string? Keys? Are you online? Parameters. Keys)

{

What if? (me? & gt？ 0)

{

Buffer. append format(& amp； {0}={ 1}",? The key? parameters[key])；

}

other

{

Buffer. AppendFormat("{0}={ 1} "，？ The key? parameters[key])；

}

i++；

}

byte[]？ Data? =? Request coding. GetBytes (buffer. ToString())；

Use? (flow? Stream? =? Request. GetRequestStream())

{

Stream. Write (data,? 0,? Data. Length);

}

}

//Get the response and set the response code.

HttpWebResponse？ Response? =? (HttpWebResponse) request. GetResponse()；

String? Coding? =? Response. ContentEncoding

What if? (code? ==? null？ ||? Coding. Length? & lt？ 1)

{

Coding? =? “UTF-8”； ? //Default encoding

}

//Read the response stream

StreamReader？ Readers? =? New? StreamReader (response. GetResponseStream()，？ Coding. GetEncoding);

String? returnData？ =? Readers. ReadToEnd()；

Readers. dispose()；

Response. close()；

Return? returnData

}

Catch? (exception? ex)

{

MessageUtil。 ShowWarning (e.g. message);

}

Return? "";

} the method of requesting the interface

Dictionary & lt string,? String & gt? Parameters? =? New? Dictionary & lt string,? String & gt ();

Parameters. Add("USER_ACCOUNT ",user name);

Parameters. Add("USER_PASSWORD "，pwd)；

Return? Httpposthelper。 Posthttpresponse ("interface URL",? Parameters? null)；